Home / 19,017.68-28,533.27-8,486.74

Finding the Fourth Proportional to 19,017.68, 28,533.27 and 8,486.74

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Solution

The fourth proportional to 19,017.68, 28,533.27 and 8,486.74 is: 12,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.68 : 28,533.27 = 8,486.74 : x
  2. Step 2: Convert to fraction form
    19,017.68/28,533.27 = 8,486.74/x
  3. Step 3: Cross multiply
    19,017.68x = 28,533.27 × 8,486.74
  4. Step 4: Simplify right side
    19,017.68x = 242,154,258.74
  5. Step 5: Solve for x
    x = 242,154,258.74/19,017.68
  6. Step 6: Final answer
    x = 12,733.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.